$ git clone -n https://src.fedoraproject.org/rpms/alizams.git /var/lib/mock/f40-build-790075-136272/root/chroot_tmpdir/scmroot/alizams
Cloning into '/var/lib/mock/f40-build-790075-136272/root/chroot_tmpdir/scmroot/alizams'...
$ git fetch origin c0fefc89347377df9e00771056f8650d038cd0f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alizams
 * [new ref]         c0fefc89347377df9e00771056f8650d038cd0f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0fefc8 Update to 1.9.7